package com.hmdp.utils;


import org.springframework.web.servlet.HandlerInterceptor;


import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


//没登录的用户过来之后，判断访问的功能需不需要登录，如果需要登录，就拦截掉

public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        if(UserHolder.getUser()==null){
            response.setStatus(401);
            return false;
        }
        return true;
    }
}
